oox/source/core/fastparser.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "oox/core/fastparser.hxx"
  21
  22 #include "oox/core/fasttokenhandler.hxx"
  23 #include "oox/helper/containerhelper.hxx"
  24 #include "oox/helper/helper.hxx"
  25 #include "oox/helper/storagebase.hxx"
  26 #include "oox/token/namespacemap.hxx"
  27
  28 namespace oox {
  29 namespace core {
  30
  31 // ============================================================================
  32
  33 using namespace ::com::sun::star::io;
  34 using namespace ::com::sun::star::lang;
  35 using namespace ::com::sun::star::uno;
  36 using namespace ::com::sun::star::xml::sax;
  37
  38
  39 // ============================================================================
  40
  41 namespace {
  42
  43 class InputStreamCloseGuard
  44 {
  45 public:
  46     explicit            InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream );
  47                         ~InputStreamCloseGuard();
  48 private:
  49     Reference< XInputStream > mxInStream;
  50     bool                mbCloseStream;
  51 };
  52
  53 InputStreamCloseGuard::InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream ) :
  54     mxInStream( rxInStream ),
  55     mbCloseStream( bCloseStream )
  56 {
  57 }
  58
  59 InputStreamCloseGuard::~InputStreamCloseGuard()
  60 {
  61     if( mxInStream.is() && mbCloseStream ) try { mxInStream->closeInput(); } catch( Exception& ) {}
  62 }
  63
  64 } // namespace
  65
  66 // ============================================================================
  67
  68 FastParser::FastParser( const Reference< XComponentContext >& rxContext ) throw( RuntimeException ) :
  69     mrNamespaceMap( StaticNamespaceMap::get() )
  70 {
  71     // create a fast parser instance
  72     Reference< XMultiComponentFactory > xFactory( rxContext->getServiceManager(), UNO_SET_THROW );
  73     mxParser.set( xFactory->createInstanceWithContext( "com.sun.star.xml.sax.FastParser", rxContext ), UNO_QUERY_THROW );
  74
  75     // create the fast tokenhandler
  76     mxTokenHandler.set( new FastTokenHandler );
  77
  78     // create the fast token handler based on the OOXML token list
  79     mxParser->setTokenHandler( mxTokenHandler );
  80 }
  81
  82 FastParser::~FastParser()
  83 {
  84 }
  85
  86 void FastParser::registerNamespace( sal_Int32 nNamespaceId ) throw( IllegalArgumentException, RuntimeException )
  87 {
  88     if( !mxParser.is() )
  89         throw RuntimeException();
  90
  91     const OUString* pNamespaceUrl = ContainerHelper::getMapElement( mrNamespaceMap, nNamespaceId );
  92     if( !pNamespaceUrl )
  93         throw IllegalArgumentException();
  94
  95     mxParser->registerNamespace( *pNamespaceUrl, nNamespaceId );
  96 }
  97
  98 void FastParser::setDocumentHandler( const Reference< XFastDocumentHandler >& rxDocHandler ) throw( RuntimeException )
  99 {
 100     if( !mxParser.is() )
 101         throw RuntimeException();
 102     mxParser->setFastDocumentHandler( rxDocHandler );
 103 }
 104
 105 void FastParser::parseStream( const InputSource& rInputSource, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 106 {
 107     // guard closing the input stream also when exceptions are thrown
 108     InputStreamCloseGuard aGuard( rInputSource.aInputStream, bCloseStream );
 109     if( !mxParser.is() )
 110         throw RuntimeException();
 111     mxParser->parseStream( rInputSource );
 112 }
 113
 114 void FastParser::parseStream( const Reference< XInputStream >& rxInStream, const OUString& rStreamName, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 115 {
 116     InputSource aInputSource;
 117     aInputSource.sSystemId = rStreamName;
 118     aInputSource.aInputStream = rxInStream;
 119     parseStream( aInputSource, bCloseStream );
 120 }
 121
 122 void FastParser::parseStream( StorageBase& rStorage, const OUString& rStreamName, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 123 {
 124     parseStream( rStorage.openInputStream( rStreamName ), rStreamName, bCloseStream );
 125 }
 126
 127 OUString FastParser::getNamespaceURL( const OUString& rPrefix ) throw( IllegalArgumentException, RuntimeException )
 128 {
 129     if( !mxParser.is() )
 130         throw RuntimeException();
 131     return mxParser->getNamespaceURL( rPrefix );
 132 }
 133
 134 sal_Int32 FastParser::getNamespaceId( const OUString& rUrl )
 135 {
 136     for( NamespaceMap::const_iterator aIt = mrNamespaceMap.begin(), aEnd = mrNamespaceMap.end(); aIt != aEnd; ++aIt )
 137         if( rUrl  == aIt->second )
 138             return aIt->first;
 139     return 0;
 140 }
 141
 142 // ============================================================================
 143
 144 } // namespace core
 145 } // namespace oox
 146
 147 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */